.login-container {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
  }
  
  .login-container .login-logo {
    height: 300px;
    line-height: 300px;
    background-color: green;
    text-align: center;
    color: #fff;
  }
  
  .login-container .login-form {
    padding: 20px 10px;
  }
  
  .login-container .login-third {
    text-align: center;
    margin-top: 40px;
  }
  .login-container .login-third i {
    margin: 30px;
  }